16326506 has 12 divisors (see below), whose sum is σ = 28488258. Its totient is φ = 6997032.

The previous prime is 16326473. The next prime is 16326551. The reversal of 16326506 is 60562361.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 4800481 = 3395^2 + 2191^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83201 + ... + 83396.

Almost surely, 2^16326506 is an apocalyptic number.

16326506 is a deficient number, since it is larger than the sum of its proper divisors (12161752).

16326506 is a wasteful number, since it uses less digits than its factorization.

16326506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166613 (or 166606 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 16326506 is about 4040.6071325978. The cubic root of 16326506 is about 253.6867301630.

Adding to 16326506 its reverse (60562361), we get a palindrome (76888867).

The spelling of 16326506 in words is "sixteen million, three hundred twenty-six thousand, five hundred six".